Scalp Vitamin Injections: Benefits, Results, and How They Work A vitamin B12 injection is a shot that delivers B12 directly into your muscle, helping your body absorb it quickly (especially if your body struggles to absorb it from food or tablets) 10 benefits of taking vitamin b12 injections 1. Improves metabolism and supports weight loss 2. Helps against anxiety and depression 3. Increases red blood cells 4. Healthier hair, skin, and B12 Vitamin Injection for Hair Loss Hair Loss Studios When that Vitamin B12 injection kicks in , B12 helps boost your energy, improve mood, support brain function & metabolism, and even strengthen hair, skin + nails , Who doesnt love a healthy Scalp Vitamin Injections: Benefits, Results, and How They Work